While playing the game, press [Ctrl] + [Alt] + X, type I'm the CEO of McDonnell Douglas (case and punctuation-sensitive) and press [Enter]. If you entered the code correctly, you will hear a sound. Then, press one of the following keys at the copter catalog and the corresponding copter will appear outside the hangar at no cost.
Fly a Commanche
Enable the "Copter select" code. Then, return to the hanger and press 1 through 9 in order at the copter catalog. Exit the hanger and walk around to one of the sides. A green Commanche with machine guns will be available.
Chase a UFO
Enable the "Fly a Commanche" code and fly around. A UFO should eventually appear in the game.
Turbo and Dog mode
While playing the game, press [Ctrl] + [Alt] + X, type "superpowermultiply", and press [Enter]. If you entered the code correctly, you will hear a sound. Then, press [Shift] while in flight to move faster. Exit the copter and press [Shift] to transform into a dog.
Time of day
While playing the game, press [Ctrl] + D to toggle between day and night.
Cheat Codes
While playing the game, press [Ctrl] + [Alt] + X and enter one of the following case and punctuation-sensitive codes to activate the corresponding cheat function. If you entered the code correctly, you will hear a sound.